(1÷3-五分之1)×15 用递等式计算,
问题描述:
(1÷3-五分之1)×15 用递等式计算,
答
=1/3*15-1/5*15
=5-3
=2
(1÷3-五分之1)×15 用递等式计算,
=1/3*15-1/5*15
=5-3
=2